10又1/6-3又11/20-2.45-1.6
=61/6-71/20-245/100-160/100
=6又185/300-4又15/300
=2又170/300
=2又17/30
10又1/6-3又11/20-2.45-1.6
=10又10/60-3又33/60-4.05
=6又37/60-4又5/100
=6又185/300-4又15/300
=2又170/300
=2又17/30
77/30
对的话请采纳!!!!!!!!!!!!
61/6-71/20-245/100-160/100=2又17/30